Initial commit of dcsl_vision_tracker_API.py. Untested
Setup test frame work for dcsl_vision_tracker
Renamed vision tracker test folder from tests to test to conform to ROS conventions
Updating .gitignore with bagfiles and images
Updated .gitignore with latest from master branch
Merged lasted background generator and miabot tracker from master
Started to add multi-camara support to the vision tracker
Updated camera config files to support color images.
Merge branch 'vision_refactor' of https://github.com/leonard-lab/dcslROS into vision_refactor

Conflicts:
	.gitignore
Finished draft of miabot tracker API. Needs initial testing and debugging.
Functional miabot tracking node using API. Needs output implemented.
Moved get poses from miabot class to super class
Added dummy functions to superclass in vision API. Updated dcsl_miabot_tracker node with change.
Changed output of get_poses to add contours and image_poses. Finished tracked_image output in miabot tracker node.
Commented out testing code.
Changed name of color from blue to cyan
Changed documentation wording slightly
Added comments to dcsl_beluga_tracker.py
Switched background to be list in tracker API. Continued beluga tracker dev
Started documenting class variables in vision tracker API